package com.yx.xinruitu.util;

import java.io.*;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;

public class FileUtil {
    public FileUtil() {
    }

    /**
     * 新建目录
     *
     * @param folderPath String  如  c:/fqf
     * @return boolean
     */
    public static void newFolder(String folderPath) {
        try {
            String filePath = folderPath;
            filePath = filePath;
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.mkdir();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 得到扩展名
     *
     * @return
     */
    public static String getExtensionName(String filename) {
        int cc = filename.lastIndexOf(".");
        String bb = filename.substring(cc);
        return bb;
    }

    /**
     * 新建目录
     *
     * @param folderPath String  如  c:/fqf
     * @return boolean
     */
    public static boolean newFolderBoolean(String folderPath) {
        boolean temp = true;
        try {
            String filePath = folderPath;
            filePath = filePath;
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.mkdir();
            } else {
                temp = false;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return temp;
    }

    /**
     * 新建文件
     *
     * @param filePathAndName String  文件路径及名称  如c:/fqf.txt
     * @param fileContent     String  文件内容
     * @return boolean
     */
    public static void newFile(String filePathAndName, String fileContent) {

        try {
            String filePath = filePathAndName;
            filePath = filePath;
            File myFilePath = new File(filePath);
            if (!myFilePath.exists()) {
                myFilePath.createNewFile();
            }
            FileWriter resultFile = new FileWriter(myFilePath);
            PrintWriter myFile = new PrintWriter(resultFile);
            String strContent = fileContent;
            myFile.println(strContent);
            resultFile.close();

        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 删除文件
     *
     * @param filePathAndName String  文件路径及名称  如c:/fqf.txt
     * @return boolean
     */
    public static void delFile(String filePathAndName) {
        try {
            String filePath = filePathAndName;
            filePath = filePath;
            File myDelFile = new File(filePath);
            myDelFile.delete();

        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 删除文件夹
     *
     * @return boolean
     */
    public static void delFolder(String folderPath) {
        try {
            delAllFile(folderPath); //删除完里面所有内容
            String filePath = folderPath;
            filePath = filePath;
            File myFilePath = new File(filePath);
            myFilePath.delete(); //删除空文件夹

        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 删除文件夹里面的所有文件
     *
     * @param path String  文件夹路径  如  c:/fqf
     */
    public static void delAllFile(String path) {
        File file = new File(path);
        if (!file.exists()) {
            return;
        }
        if (!file.isDirectory()) {
            return;
        }
        String[] tempList = file.list();
        File temp = null;
        for (int i = 0; i < tempList.length; i++) {
            if (path.endsWith(File.separator)) {
                temp = new File(path + tempList[i]);
            } else {
                temp = new File(path + File.separator + tempList[i]);
            }
            if (temp.isFile()) {
                temp.delete();
            }
            if (temp.isDirectory()) {
                delAllFile(path + "/" + tempList[i]);//先删除文件夹里面的文件
                delFolder(path + "/" + tempList[i]);//再删除空文件夹
            }
        }
    }

    /**
     * 复制单个文件
     *
     * @param oldPath String  原文件路径  如：c:/fqf.txt
     * @param newPath String  复制后路径  如：f:/fqf.txt
     * @return boolean
     */
    public static void copyFile(String oldPath, String newPath) {
        try {
            int bytesum = 0;
            int byteread = 0;
            File oldfile = new File(oldPath);
            if (oldfile.exists()) { //文件存在时
                InputStream inStream = new FileInputStream(oldPath); //读入原文件
                FileOutputStream fs = new FileOutputStream(newPath);
                byte[] buffer = new byte[1444];
                int length;
                while ((byteread = inStream.read(buffer)) != -1) {
                    bytesum += byteread; //字节数  文件大小
                    fs.write(buffer, 0, byteread);
                }
                inStream.close();
            }
        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 复制整个文件夹内容
     *
     * @param oldPath String  原文件路径  如：c:/fqf
     * @param newPath String  复制后路径  如：f:/fqf/ff
     * @return boolean
     */
    public static void copyFolder(String oldPath, String newPath) {

        try {
            (new File(newPath)).mkdirs(); //如果文件夹不存在  则建立新文件夹
            File a = new File(oldPath);
            String[] file = a.list();
            File temp = null;
            for (int i = 0; i < file.length; i++) {
                if (oldPath.endsWith(File.separator)) {
                    temp = new File(oldPath + file[i]);
                } else {
                    temp = new File(oldPath + File.separator + file[i]);
                }

                if (temp.isFile()) {
                    FileInputStream input = new FileInputStream(temp);
                    FileOutputStream output = new FileOutputStream(newPath
                            + "/" + (temp.getName()));
                    byte[] b = new byte[1024 * 5];
                    int len;
                    while ((len = input.read(b)) != -1) {
                        output.write(b, 0, len);
                    }
                    output.flush();
                    output.close();
                    input.close();
                }
                if (temp.isDirectory()) {//如果是子文件夹
                    copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 移动文件到指定目录
     *
     * @param oldPath String  如：c:/fqf.txt
     * @param newPath String  如：d:/fqf.txt
     */
    public static void moveFile(String oldPath, String newPath) {
        copyFile(oldPath, newPath);
        delFile(oldPath);

    }

    /**
     * 移动文件到指定目录
     *
     * @param oldPath String  如：c:/fqf.txt
     * @param newPath String  如：d:/fqf.txt
     */
    public static void moveFolder(String oldPath, String newPath) {
        copyFolder(oldPath, newPath);
        delFolder(oldPath);

    }


    // 拷贝文件
    private static void copyFile2(String source, String dest) {
        try {
            File in = new File(source);
            File out = new File(dest);
            FileInputStream inFile = new FileInputStream(in);
            FileOutputStream outFile = new FileOutputStream(out);
            byte[] buffer = new byte[1024];
            int i = 0;
            while ((i = inFile.read(buffer)) != -1) {
                outFile.write(buffer, 0, i);
            }
            inFile.close();
            outFile.close();
        } catch (Exception e) {

        }
    }

    /**
     * 文件写入
     *
     * @param file
     * @param data
     */
    public static void rewrite(File file, String data) {
        BufferedWriter bw = null;
        try {
            bw = new BufferedWriter(new FileWriter(file));
            bw.write(data);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (bw != null) {
                try {
                    bw.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    /**
     * 文件读取
     *
     * @param file
     * @return
     */
    public static List<String> readList(File file) {
        BufferedReader br = null;
        List<String> data = new ArrayList<String>();
        try {
            br = new BufferedReader(new FileReader(file));
            for (String str = null; (str = br.readLine()) != null; ) {
                data.add(str);
            }
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return data;
    }


    /**
     * 读取property文件
     * fzd
     */
    //根据Key读取Value
    public static String GetValueByKey(String filePath, String key) {
        Properties pps = new Properties();
        try {
            InputStream in = new BufferedInputStream(new FileInputStream(filePath));
            pps.load(in);
            String value = pps.getProperty(key);
            System.out.println(key + " = " + value);
            return value;

        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    //读取Properties的全部信息
    public static void GetAllProperties(String filePath) throws IOException {
        Properties pps = new Properties();
        InputStream in = new BufferedInputStream(new FileInputStream(filePath));
        pps.load(in);
        Enumeration en = pps.propertyNames(); //得到配置文件的名字
        while (en.hasMoreElements()) {
            String strKey = (String) en.nextElement();
            String strValue = pps.getProperty(strKey);
            System.out.println(strKey + "=" + strValue);
        }

    }

    //写入Properties信息
    public static void WriteProperties(String filePath, String pKey, String pValue) {
        try {
            Properties pps = new Properties();

            InputStream in;
            in = new FileInputStream(filePath);

            //从输入流中读取属性列表（键和元素对）
            pps.load(in);
            //调用 Hashtable 的方法 put。使用 getProperty 方法提供并行性。
            //强制要求为属性的键和值使用字符串。返回值是 Hashtable 调用 put 的结果。
            OutputStream out = new FileOutputStream(filePath);
            pps.setProperty(pKey, pValue);
            //以适合使用 load 方法加载到 Properties 表中的格式，
            //将此 Properties 表中的属性列表（键和元素对）写入输出流
            pps.store(out, "Update " + pKey + " name");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}
